content: <<<<<<< HEAD
  import java.util.Scanner;
  class MyCalculator {
      long power(int n, int p) throws Exception {
          if (n < 0 || p < 0) {
              throw new Exception("n or p should not be negative.");
          }
          if (n == 0 && p == 0) {
              throw new Exception("n and p should not be zero.");
          }
          return (long)Math.pow(n, p);
      }
  }
  
  public class JavaExceptionHandling {
      public static final MyCalculator my_calculator = new MyCalculator();
      public static final Scanner in = new Scanner(System.in);
      
      public static void main(String[] args) {
          while (in .hasNextInt()) {
              int n = in .nextInt();
              int p = in .nextInt();
              
              try {
                  System.out.println(my_calculator.power(n, p));
              } catch (Exception e) {
                  System.out.println(e);
              }
          }
      }
  =======
  import java.util.Scanner;
  class MyCalculator {
      long power(int n, int p) throws Exception {
          if (n < 0 || p < 0) {
              throw new Exception("n or p should not be negative.");
          }
          if (n == 0 && p == 0) {
              throw new Exception("n and p should not be zero.");
          }
          return (long)Math.pow(n, p);
      }
  }
  
  public class JavaExceptionHandling {
      public static final MyCalculator my_calculator = new MyCalculator();
      public static final Scanner in = new Scanner(System.in);
      
      public static void main(String[] args) {
          while (in .hasNextInt()) {
              int n = in .nextInt();
              int p = in .nextInt();
              
              try {
                  System.out.println(my_calculator.power(n, p));
              } catch (Exception e) {
                  System.out.println(e);
              }
          }
      }
  >>>>>>> cded02a3519e594c508657d8c349c299c5e1dfcc
  }